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Brevets

Référencé par

Brevet citant Date de dépôt Date de délivrance Cessionnaire d'origine Titre
US404274714 mars 197516 août 1977Joseph A. Teti, Jr.
William C. Teti
Gasket and sealing structures of filled polytetrafluoroethylene resins
US404958930 sept. 197520 sept. 1977Sumitomo Electric Industries, Ltd.Porous films of polytetrafluoroethylene and process for producing said films
US406421422 sept. 197520 déc. 1977E. I. Du Pont de Nemours and CompanyProcess for making polytetrafluoroethylene yarn
US420285029 mars 197813 mai 1980Ube Industries, Ltd.Process for producing fiber-reinforced elastic articles
US44393917 janv. 198127 mars 1984International Paper CompanyPolymeric sheets
US45103003 mars 19839 avr. 1985E. I. Du Pont de Nemours and CompanyPerfluorocarbon copolymer films
US451996910 sept. 198428 mai 1985Unitika Ltd.Stretched fluorine type film and method for manufacture thereof
US479009030 avr. 198713 déc. 1988Fish tag
US483200923 déc. 198723 mai 1989Bio Med Sciences, Inc.Semi-interpenetrating network polymer backsheet bandage
US487605117 déc. 198724 oct. 1989W. L. Gore & Associates, Inc.Apparatus and method for extruding and expanding polytetrafluoroethylene tubing and the products produced thereby
US49451255 janv. 198731 juil. 1990Tetratec CorporationProcess of producing a fibrillated semi-interpenetrating polymer network of polytetrafluoroethylene and silicone elastomer and shaped products thereof
US507161010 janv. 199110 déc. 1991Minnesota Mining and Manufacturing CompanyMethod of making a controlled pore composite polytetrafluoroethylene
US509125225 janv. 199025 févr. 1992ELTECH Systems CorporationNon-organic/polymer fiber composite and method of making same
US514753928 mai 199115 sept. 1992Minnesota Mining and Manufacturing CompanyControlled pore composite polytetrafluoroethylene article
US519247316 sept. 19919 mars 1993Eltech Systems CorporationMethod of making non-organic/polymer fiber composite
US520791511 juin 19924 mai 1993Minnesota Mining and Manufacturing CompanySeparation method using controlled pore composite polytetrafluoroethylene article
US538730030 avr. 19937 févr. 1995Method of manufacturing a seamless tubular woven article including polytetrafluoroethylene yarn
US551867620 sept. 199421 mai 1996Compagnie Plastic OmniumProcess and extrusion press for making hollow body made of fluoro resin
US57889936 juin 19974 août 1998E. I. du Pont de Nemours and CompanySpinneret with slotted outlet
US61175569 sept. 199712 sept. 2000Daikin Industries Ltd.Tape for sealing screw joints
US617447327 juil. 199816 janv. 2001E.I. du Pont de Nemours and CompanyPaste extrusion method
US621436224 nov. 199910 avr. 2001Cosmetic pad for removing low tension substances and applying cosmetics
US62353775 sept. 199522 mai 2001Bio Med Sciences, Inc.Microporous membrane with a stratified pore structure created in situ and process
US644791830 janv. 200110 sept. 2002Xerox CorporationInterpenetrating polymer network of polytetra fluoroethylene and silicone elastomer for use in electrophotographic fusing applications
US650604313 nov. 200014 janv. 2003E. I. du Pont de Nemours and CompanyPaste extrusion apparatus
US792294623 nov. 200512 avr. 2011Donaldson Company, Inc.PTFE membrane

Dessins